Tibor Nagy
27 lines
638 B
C
27 lines
638 B
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "test_helpers.h"
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int main(void) {
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int status = isatty(STDOUT_FILENO);
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if (status == 1) {
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puts("'Tis a tty :D");
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} else if (status == 0) {
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if (errno == ENOTTY) {
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// I wouldn't consider stdout not being a TTY an error
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// (CI runners, etc.)
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puts("Whatever a tty is, it's not me");
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} else {
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perror("isatty");
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exit(EXIT_FAILURE);
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}
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} else {
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printf("isatty returned %d, unexpected result\n", status);
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exit(EXIT_FAILURE);
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}
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}
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